Experience walking on glass. Seattle Glass Block specializes in structural glass floors & glass Stair treads. Each application is a one of a kind creation that will give your project a premium feature while allowing natural light to flow through to the core of your home of building. Every project is a one of a kind creation you get to guide to it's completion. Choose from Structural Laminated Glass or Glass Block Pavers. Check out the GlassWalk structural grid systems that make installation a breeze.